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Emergency & Critical Care
MEWS (Modified Early Warning Score)

MEWS — Modified Early Warning Score

Detects clinical deterioration early — triggers escalation based on vital signs

0
MEWS Score — select parameters below
Systolic BP (mmHg) 0
Heart Rate (bpm) 0
Respiratory Rate (/min) 0
Temperature (°C) 0
AVPU Response 0
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MEWS Score
MEWS Escalation Thresholds
ScoreRiskAction
0–4LowRoutine monitoring; increase frequency if trending up
5–6MediumNotify nurse in charge; increase monitoring frequency; consider medical review
≥7HighNotify doctor immediately; consider MET/RRT activation; urgent assessment
MEWS = SBP score + HR score + RR score + Temp score + AVPU score
Range: 0–14
Clinical Note: MEWS is most useful for trend monitoring — a rising score warrants escalation even if absolute value is low. Different institutions may use NEWS (National Early Warning Score) with slightly different thresholds. Single elevated parameter ≥3 should trigger review regardless of total score.
For clinical decision support only. Not a substitute for professional medical judgment.

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